Flowering Plants Visited
by Thecophora
occidensis
Thecophora occidensis Walker: Conopidae, Diptera
(observations are from Robertson, Graenicher, and Wilhelm & Rericha)
Anacardiaceae: Rhus copallina [pist sn] (Rb); Apiaceae: Cicuta maculata sn (Rb), Cryptotaenia canadensis sn (Rb), Eryngium yuccifolium sn (Rb), Heracleum maximum sn (Rb), Perideridia americana sn (Rb), Polytaenia nuttalli sn (Rb), Taenidia integerrima sn (Rb), Thaspium trifoliatum flavum sn (Rb), Zizia aurea sn (Rb); Asteraceae: Achillea millefolium sn (Rb), Anthemis cotula sn (Rb), Arnoglossum atriplicifolium (WR), Arnoglossum muhlenbergii sn (Rb), Aster drummondii sn/fp (Gr), Aster lanceolatus sn (Rb), Aster macrophyllus sn/fp (Gr), Aster pilosus sn fq (Rb), Boltonia asterioides sn (Rb), Cirsium arvense sn/fp (Gr), Conyza canadensis sn (Rb), Coreopsis palmata sn (Rb), Erigeron philadelphicus sn (Rb), Eupatorium altissimum sn (Rb), Eupatorium perfoliatum sn (Rb), Euthamia graminifolia sn/fp (Gr), Krigia biflora sn (Rb), Leucanthemum vulgare sn/fp (Gr), Pseudognaphalium obtusifolium sn (Rb), Rudbeckia subtomentosa sn (Rb), Rudbeckia triloba sn (Rb), Solidago canadensis sn/fp (Rb, Gr), Solidago nemoralis sn (Rb); Brassicaceae: Capsella bursa-pastoris sn (Rb); Caesalpiniaceae: Chamaecrista fasciculata [exfl sn] (Rb); Campanulaceae: Triodanis perfoliata sn (Rb); Caprifoliaceae: Symphoricarpos orbiculatus sn (Rb); Cornaceae: Cornus racemosa sn (Rb); Fabaceae: Dalea purpurea sn (Rb), Melilotus alba sn (Rb); Hydrangeaceae: Hydrangea arborescens sn fq (Rb); Lamiaceae: Pycnanthemum pilosum sn (Rb), Pycnanthemum tenuifolium sn (Rb), Pycnanthemum virginianum sn (Rb); Ranunculaceae: Clematis virginiana [stam sn] (Rb); Rhamnaceae: Ceanothus americanus sn (Rb); Rosaceae: Potentilla norvegica sn (Rb); Scrophulariaceae: Veronicastrum virginicum sn (Rb); Verbenaceae: Verbena urticifolia sn (Rb)